﻿
function abrirPopup(pagina,ancho,alto) 
{ 
    posx=((screen.availWidth-320)/2) 
    posy=((screen.availHeight-200)/2) 
    eval("boxwindow=window.open('"+ pagina +"','boxwindow','width="+ ancho +",height="+ alto +",toolbar=0,directories=0,status=0,scrollbars=0,resize=0,menubar=0,screenx="+posx+",screeny="+posy+",left="+posx+",top="+posy+"')")
} 

